Spool for music-rolls.



C. T. SCHOEN,

SPOOL FOR MUSIC ROLLS.

APPLLCATION FILED NOV. 14, 1914.

I 1,1Q8 lQ3a Patented June 15, 1915.

one.

CHARLES T. SCHOEN, DEF MEDIA, PENNSYLVANIAA SPOOL FOR MUSIC-ROLLS.

Specification of Letters Iatent.

Patented June 115, 19115.

Application filed November 1 1, 1914i. eerial No. 572,136.

T all whom it may concern:

Be it known that I, CHARLES T. ScHonN, a citizen of the United States, residin at Media, in the county of Delaware and tate of Pennsylvania, have invented a certain new and useful Improvement in Spools for Music-Rolls, of which the following is a full, clear, and exact description.

The object of this invention is to provide a music roll spool, for use in player-pianos and other musical instruments; which spool is also capable of use in other instruments or apparatus where an article rolled or wound on the spool is utilized by unrolling or unwinding it therefrom.

The invention consists of a spool of the character and for the uses above referred to,

having a metallic barrel, preferably cylin: drical. and more or less resilient, to one end of which is fitted a metallic head capable of movement in the direction of. the length of the barrel to compensate for atmospheric or hygroscopic conditions influencing the roll on the spool, and another head fixedly applied to the other end of the spool and serving as a medium by or through which power may be applied to turn the spool, the other head turning with the barrel also, as I will proceed now to explain and finally claim.

In the accompanying drawings illustrating the invention, in the several fi arcs of which like parts are similarly designated,- Figure 1 is a perspective view, the barrel being cut in two about midway of its length to show its construction. Fig. 2 is a longi tudinal section, the barrel being broken away between ends. Fig. 3 is a perspective View of a barrel detached illustrating features shown in Fig. 1 and also showing the meeting edges of the barrel in close touch instead of sensibly separated as in Fig. -1. Fig. 4 is a 'plan view of the blank from which either head may be made, and Figs. 5'. 6 and 7 are cross-sections showing successive steps in the process of converting the blankof Fig. 4 into heads such as shown in Figs. 1 and 2.

The barrel or tube 1 is made most economically by flanging a sheet of metal, preferably steel, this flange being engaged by a mandrel and the sheet then rolled into tubular form,a common and well-known process, whereby adjacent edges are brought opposite one another and a tube formed which has an open side formed by such juxtaposed edges. The flange 2 is located inside of the tube and serves to stiffen it. As shownin Fig. 1, a slot 3 may be left between the flanged ed e and the opposite edge, or, as shown in ig. 3, these edges may be brought into such close touch as to close the tube substantially. One end of the tube is provided with opposite longitudinal slots 4: to admit of the movement of one of the heads in the direction of the length of the tube. The head referred to is designated 5, and comprises a hub 6 having a hole 7 in its outer end,-and a laterallfy extending flange,

8 at its other end. The nge 8 has its rim 9 curled over to reinforce it as well as to afiord a sightly and smooth finish. This head is secured to the barrel or tube 1 in any suitable way or by any suitable means that will admit of it moving in the direction of the length of the barrel in order to compensate for movement of the contents of the spool due to atmospheric or hygroscopic conditions or influences. As shown, the slotted end of the tube enters the hub, andthe yielding connection consists of prick points or indentations 10 entering the slots 4'; and while these connections permit movement of the head independently of the barrel, they also serve to cause the head to turn with the barrel. The other head 11 likewise has a hub 12, with a slot 13 in its outer end to engage a turning medium, and a laterally extending flan e 14 at its other end provided with the cur ed edge 15. This head is fixed to the other end of the barrel or tube l'by entering such end in the hub thereof and then using any suitable means to rigidly connect them, such as simultaneously formed interlocking indentations 16 in the hub and barrel.

The heads may be pressed from sheet steel, and in so forming them, a discous blank 17, Fig. 4, is first cupped, as shown in Fig. 5, with a rim flange 18, and then this cupped and flanged blank is pressed to the shape shown in Fig. 6, where the hub 19 is definitely formed, and then the flange 20 has its rim 21 pressed up as shown in Fig. 7, to be subsequently curled over as shown in Figs. 1 and 2, as previousl described.

A barrel divided longitu inally by the slot 3, or by having its edges meeting more or less closely, that is to say, an open-sided barrel, is preferable to a solid barrel, in that no fitting has to be done in applying the heads, but, on the contrary, the opensided barrel is more or less springy and so may have the heads applied to it very readily. As a e'onsequence,.the spool may be produced very economically. Using metal throughout results in a spool-that is very durable and not injuriously subjected to the atmospheric changes, such as occur in Wooden spools. The movable fit of head 5 allows for the expansion of the'roll or contents when damp, and permits the use of a continuous single piece barrel, 1i ht" in weight and very stifi and strong'an per fectlystrai ht at all times.

As already sufficiently indicated,the invention conte' anlates variations in structural details.

What I claim is I. A spool for music rolls, comprising a continuous single piece resilient barrel, and heads applied to opposite ends thereof to turn with it, and means to permit movement of one of the heads onthe barrel in the direction of the length of the barrel, the resiliency of the barrel admitting of the ready application of the heads thereto without additional fitting.

2. A spool for music rolls, comprising a sheet metal barrel having one side open from end to end, a hubbed head fixed to one end of the barrel, and a hubbed head movably connected with the other end of said barrel, the barrel yielding transversely to engage the hubs and thereby compensating for any variation in diameter between the hubs and barrel.

3. A spool for music rolls, comprising a sheet metal barrel having one side open from end to end, a hubbed head fixed to one end of the barrel, said barrel having longitudinal slots in its opposite end, and a hubbed head applied to the slotted end of the barrel and engaging the slots therein, the barrel yielding transversely to engage Lllatll i the hubs and thereby compensating ror any variation in diameter between the hubs and. barrel.

fl. spool for music rolls, comprising a sheet metal barrel of tubular form, provided with an interior stiffening flange extending throughout its length, having one sideope'n-so as to render the barrel more or less springy, and one end slotted, a hubbed head having one end of the barrel extending within its hub and the two rigidly connected by interlocking the hub and barrel, and a second andsimilar hubbed head having the other end of the barrel connected therewith in a manner permitting the movement of the head in the direction of the length of the barrel, and compelling rotation therewith, thespringiness of the barrel compensating for any inequalities in the fit of the hubbed heads on the barrel.

5. A spool for music rolls, comprising a.

sheet metal barrel of tubular form, provided with an interior stiffening flange extending throughout its length, having one side open so as to render the barrel more or less springy, and one end slotted, a pressed steel fixed head having a hub interlocked with the barrel, and a similar pressed steel head having a hub engaged with the barrel to-turn with it and to move thereon in the direction of its length, the springiness of the barrel admitting of the ready application of the heads thereto without additional fitting.

in testimony whereof I have hereunto set my hand this 13th dav of November A. D. 1914.

cnaenns "r. scnona.

Witnesses annmrr E. Home, lion; l iorn. 

